The Kondyor Massif or Konder is a circular intrusion of igneous rock, about 8 km in diameter. It is located in Khabarovsk Krai, Russia, c. 600 km west-southwest of Okhotsk, or c. 570 km south-east of Yakutsk. It is reached from Yakutsk by road via Amga. It is an important source of platinum. Since 1984, Artel Starateley "Amur" (part of the Russian Platinum group) has developed this alluvial platinum deposit.